Dorchester weather in August 2025

Expect daytime maximum temperatures of 68°F in Dorchester, England in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 2.6 inches of rainfall in the month.

  • 68°F maximum daytime temperature in August in Dorchester68
    68°F max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in August in Dorchester12
    12 days with some rainfall
  • 54°F minimum night-time temperature in August in Dorchester54
    54°F min night temperature
  • 14 hours of daylight per day in August in Dorchester14
    14 hours of daylight per day
  • No heat & humidity in August in Dorchester0
    No heat & humidity
  • 2.6 inches monthly rainfall in August in Dorchester2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 6 (High) in August in Dorchester6
    6 (High) UV index

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The August weather guide for England (Dorchester) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Dorchester in August?

Daytime temperatures usually reach 68°F in Dorchester in August, falling to 54°F at night.

How sunny is it in Dorchester in August?

There are normally 6 hours of bright sunshine each day in Dorchester in August - that's 44% of daylight hours.

Does it rain in Dorchester in August?

There are usually 12 days with some rain in Dorchester in August and the average monthly rainfall is 2.6 inches.

Dorchester August sunrise & sunset times

Browse the sunrise and sunset times for Dorchester in August 2025. Select a month to view Dorchester sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:37 19:54
Saturday, 16th August 2025 04:59 19:28
Sunday, 31st August 2025 05:22 18:57

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